1 files changed, 96 insertions, 0 deletions
diff --git a/src/zix/allocator.c b/src/zix/allocator.c
new file mode 100644
index 0000000..310ef33
--- /dev/null
+++ b/src/zix/allocator.c
@@ -0,0 +1,96 @@
+// Copyright 2011-2021 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
+
+#include "zix/allocator.h"
+
+#include "zix/attributes.h"
+
+#include "jalv_config.h"
+
+#ifdef _WIN32
+#  define WIN32_LEAN_AND_MEAN 1
+#  include <malloc.h>
+#  include <windows.h>
+#endif
+
+#include <stdlib.h>
+
+ZIX_MALLOC_FUNC
+static void*
+zix_default_malloc(ZixAllocator* const allocator, const size_t size)
+{
+  (void)allocator;
+  return malloc(size);
+}
+
+ZIX_MALLOC_FUNC
+static void*
+zix_default_calloc(ZixAllocator* const allocator,
+                   const size_t        nmemb,
+                   const size_t        size)
+{
+  (void)allocator;
+  return calloc(nmemb, size);
+}
+
+static void*
+zix_default_realloc(ZixAllocator* const allocator,
+                    void* const         ptr,
+                    const size_t        size)
+{
+  (void)allocator;
+  return realloc(ptr, size);
+}
+
+static void
+zix_default_free(ZixAllocator* const allocator, void* const ptr)
+{
+  (void)allocator;
+  free(ptr);
+}
+
+ZIX_MALLOC_FUNC
+static void*
+zix_default_aligned_alloc(ZixAllocator* const allocator,
+                          const size_t        alignment,
+                          const size_t        size)
+{
+  (void)allocator;
+
+#if defined(_WIN32)
+  return _aligned_malloc(size, alignment);
+#elif USE_POSIX_MEMALIGN
+  void*     ptr = NULL;
+  const int ret = posix_memalign(&ptr, alignment, size);
+  return ret ? NULL : ptr;
+#else
+  return NULL;
+#endif
+}
+
+static void
+zix_default_aligned_free(ZixAllocator* const allocator, void* const ptr)
+{
+  (void)allocator;
+
+#if defined(_WIN32)
+  _aligned_free(ptr);
+#else
+  free(ptr);
+#endif
+}
+
+ZixAllocator*
+zix_default_allocator(void)
+{
+  static ZixAllocator default_allocator = {
+    zix_default_malloc,
+    zix_default_calloc,
+    zix_default_realloc,
+    zix_default_free,
+    zix_default_aligned_alloc,
+    zix_default_aligned_free,
+  };
+
+  return &default_allocator;
+}